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Class Information
Number: 503/210
Name: Record receiver having plural interactive leaves or a colorless color former, method of use, or developer therefor > Having a colorless color-former, developer therefor, or method of use > Heavy metal reactant
Description: Subject matter in which the color is developed by a chemical change in a compound containing a metal having a specific gravity greater than 4.0.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7063888 |
Image supporting member and image forming apparatus using the same |
Jun. 20, 2006 |
| 7033743 |
Barrier layers for use in substantially light-insensitive thermographic recording materials |
Apr. 25, 2006 |
| 7008748 |
Silver salt-toner co-precipitates and imaging materials |
Mar. 7, 2006 |
| 6472131 |
Asymmetric silver salt dimers and imaging compositions, materials and methods using same |
Oct. 29, 2002 |
| 6465167 |
Core-shell silver salts and imaging compositions, materials and methods using same |
Oct. 15, 2002 |
| 6440896 |
Imaging member with multifunctional coupler and oxidant |
Aug. 27, 2002 |
| 6403528 |
Developer for use with carbonless copy paper and photo imaging system |
Jun. 11, 2002 |
| 6383982 |
Color developer composition, aqueous dispersion, recording sheet and color developing ink |
May. 7, 2002 |
| 6355408 |
Core-shell silver salts and imaging compositions, materials and methods using same |
Mar. 12, 2002 |
| 6310001 |
Substantially light-insensitive thermographic recording materials with improved stability |
Oct. 30, 2001 |
| 6306573 |
Production process for a benzotriazole-containing thermographic recording material with improved stability and image-tone |
Oct. 23, 2001 |
| 6296999 |
Subbing layers for use with thermographic materials |
Oct. 2, 2001 |
| 6184179 |
Substantially thermographic recording materials with improved stability |
Feb. 6, 2001 |
| 6180165 |
Substantially light-insensitive thermographic recording materials with improved stability |
Jan. 30, 2001 |
| 5885765 |
Thermographic recording material with improved tone reproduction |
Mar. 23, 1999 |
| 5883042 |
(Photo)thermographic material with improved transport performance |
Mar. 16, 1999 |
| 5863859 |
Heat-sensitive material suited for use in direct thermal recording |
Jan. 26, 1999 |
| 5858913 |
Receiving element for use in thermal transfer printing |
Jan. 12, 1999 |
| 5854174 |
Substantially non-photosensitive thermographic recording material with improved stability and image-tone |
Dec. 29, 1998 |
| 5817598 |
Thermal image forming process with improved slip performance therein |
Oct. 6, 1998 |
| 5759953 |
Thermographic recording material with improved slip properties |
Jun. 2, 1998 |
| 5753587 |
Heat-sensitive recording material |
May. 19, 1998 |
| 5750464 |
Thermographic recording |
May. 12, 1998 |
| 5750463 |
Thermographic recording films |
May. 12, 1998 |
| 5747412 |
Thermographic material with outermost antistatic layer |
May. 5, 1998 |
| 5710095 |
Direct thermal imaging method using a protected heat-sensitive recording material |
Jan. 20, 1998 |
| 5709738 |
Coating composition for ink jet printing |
Jan. 20, 1998 |
| 5652195 |
Heat-sensitive material suited for use in direct thermal imaging |
Jul. 29, 1997 |
| 5637550 |
Heat-sensitive recording material having image-stabilization properties |
Jun. 10, 1997 |
| 5587350 |
Direct thermal imaging material |
Dec. 24, 1996 |
| 5578548 |
Thermographic element with improved anti-stick coating |
Nov. 26, 1996 |
| 5559075 |
Recording material for direct thermal imaging |
Sep. 24, 1996 |
| 5547914 |
Direct thermal imaging material |
Aug. 20, 1996 |
| 5536696 |
Direct thermal imaging material |
Jul. 16, 1996 |
| 5527757 |
Recording material for direct thermal imaging |
Jun. 18, 1996 |
| 5527758 |
Direct thermal imaging process with improved tone reproduction |
Jun. 18, 1996 |
| 5525686 |
Polyvalent metal salt of salicyclic acid resin and process for preparing it |
Jun. 11, 1996 |
| 5489566 |
Thermographic recording films |
Feb. 6, 1996 |
| 5489501 |
Recording composition |
Feb. 6, 1996 |
| 5482913 |
Recording sheet |
Jan. 9, 1996 |
| 5480855 |
Thermographic recording film including improved washcoat |
Jan. 2, 1996 |
| 5447901 |
Color-developing compositions and their use |
Sep. 5, 1995 |
| 5446009 |
Thermal recording sheet |
Aug. 29, 1995 |
| 5439869 |
Thermoreactive recording material of particular stability |
Aug. 8, 1995 |
| 5416058 |
Protected thermosensitive recording material |
May. 16, 1995 |
| 5411929 |
Thermally-processable image recording materials including substituted purine compounds |
May. 2, 1995 |
| 5372917 |
Recording material |
Dec. 13, 1994 |
| 5350729 |
Developer sheet with structured clays and process thereof |
Sep. 27, 1994 |
| 5346878 |
Recording material |
Sep. 13, 1994 |
| 5328884 |
Pressure sensitive manifold sheet containing color developer composition |
Jul. 12, 1994 |
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